Home / 271,720.20-407,580.30-171,555.60

Finding the Fourth Proportional to 271,720.20, 407,580.30 and 171,555.60

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Solution

The fourth proportional to 271,720.20, 407,580.30 and 171,555.60 is: 257,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,720.20 : 407,580.30 = 171,555.60 : x
  2. Step 2: Convert to fraction form
    271,720.20/407,580.30 = 171,555.60/x
  3. Step 3: Cross multiply
    271,720.20x = 407,580.30 × 171,555.60
  4. Step 4: Simplify right side
    271,720.20x = 69,922,682,914.68
  5. Step 5: Solve for x
    x = 69,922,682,914.68/271,720.20
  6. Step 6: Final answer
    x = 257,333.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.